Modular building



FIG. 1 is a top perspective view of a modular building incorporating our new design;

FIG. 2 is a rear bottom perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings illustrate portions of the modular building that form no part of the claimed invention. 

CLAIM The ornamental design for an modular building, as shown and described. 